0
Since Obama is part of the Democratic party, I don't see that the party will vote against him (he is the head of the party).
my answer is as follows:
The Democratic defectors were:
Rep. Ron Barber (Ariz.)
Rep. John Barrow (Ga.)
Rep. Ami Bera (Calif.)
Rep. Tim Bishop (N.Y.)
Rep. Bruce Braley (Iowa)
Rep. Julia Brownley (Calif.)
Rep. Cheri Bustos (Ill.)
Rep. Jim Costa (Calif.)
Rep. Peter DeFazio (Ore.)
Rep. Suzan DelBene (Wash.)
Rep. Tammy Duckworth (Ill.)
Rep. William Enyart (Ill.)
Rep. Elizabeth Esty (Conn.)
Rep. Bill Foster (Ill.)
Rep. Pete Gallego (Texas)
Rep. John Garamendi (Calif.)
Rep. Joe Garcia (Fla.)
Rep. Ron Kind (Wis.)
Rep. Ann McLane Kuster (N.H.)
Rep. Dave Loebsack (Iowa)
Rep. Dan Maffei (N.Y.)
Rep. Sean Maloney (N.Y.)
Rep. Jim Matheson (Utah)
Rep. Mike McIntyre (N.C.)
Rep. Jerry McNerney (Calif.)
Rep. Patrick Murphy (Fla.)
Rep. Rick Nolan (Minn.)
Rep. Bill Owens (N.Y.)
Rep. Scott Peters (Calif.)
Rep. Gary Peters (Mich.)
Rep. Colin Peterson (Minn.)
Rep. Nick Rahall (W. Va.)
Rep. Raul Ruiz (Calif.)
Rep. Bill Schneider (Ill.)
Rep. Kurt Schrader (Ore.)
Rep. Carol Shea-Porter (N.H.)
Rep. Kyrsten Sinema (Ariz.)
Rep. Filemon Vela (Texas)
Rep. Tim Walz (Minn.).
